<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <title></title>
</head>
<body>
<h1>An unexpected error has occurred</h1>
<p>The administrator has been notified. Sorry for the inconvenience!</p>
<p><a href="{{url_for('index')}}">Back</a></p>
</body>
</html>